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/*
* Copyright (C) 2019-2023 by Sukchan Lee <acetcom@gmail.com>
*
* This file is part of Open5GS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "sbi-path.h"
static int client_notify_cb(
int status, ogs_sbi_response_t *response, void *data);
int nrf_sbi_open(void)
{
ogs_sbi_nf_instance_t *nf_instance = NULL;
/* Initialize SELF NF instance */
nf_instance = ogs_sbi_self()->nf_instance;
ogs_assert(nf_instance);
/* Build NF instance information. */
ogs_sbi_nf_instance_build_default(nf_instance);
if (ogs_sbi_server_start_all(ogs_sbi_server_handler) != OGS_OK)
return OGS_ERROR;
return OGS_OK;
}
void nrf_sbi_close(void)
{
ogs_sbi_client_stop_all();
ogs_sbi_server_stop_all();
}
bool nrf_nnrf_nfm_send_nf_status_notify(
ogs_sbi_subscription_data_t *subscription_data,
OpenAPI_notification_event_type_e event,
ogs_sbi_nf_instance_t *nf_instance)
{
bool rc;
ogs_sbi_request_t *request = NULL;
ogs_sbi_client_t *client = NULL;
ogs_assert(subscription_data);
client = subscription_data->client;
if (!client) {
ogs_error("No Client");
return false;
}
request = nrf_nnrf_nfm_build_nf_status_notify(
subscription_data, event, nf_instance);
if (!request) {
ogs_error("nrf_nnrf_nfm_build_nf_status_notify() failed");
return false;
}
rc = ogs_sbi_send_request_to_client(
client, client_notify_cb, request, NULL);
ogs_expect(rc == true);
ogs_sbi_request_free(request);
return rc;
}
bool nrf_nnrf_nfm_send_nf_status_notify_all(
OpenAPI_notification_event_type_e event,
ogs_sbi_nf_instance_t *nf_instance)
{
bool rc;
ogs_sbi_subscription_data_t *subscription_data = NULL;
ogs_assert(nf_instance);
ogs_list_for_each(
&ogs_sbi_self()->subscription_data_list, subscription_data) {
if (subscription_data->req_nf_instance_id &&
strcmp(subscription_data->req_nf_instance_id, nf_instance->id) == 0)
continue;
/* Issue #2630 : The format of subscrCond is invalid. Must be 'oneOf'. */
if (subscription_data->subscr_cond.nf_type) {
if (subscription_data->subscr_cond.nf_type != nf_instance->nf_type)
continue;
} else if (subscription_data->subscr_cond.service_name) {
ogs_sbi_nf_service_t *nf_service =
ogs_sbi_nf_service_find_by_name(nf_instance,
subscription_data->subscr_cond.service_name);
if (nf_service == NULL) continue;
if (subscription_data->req_nf_type &&
ogs_sbi_nf_service_is_allowed_nf_type(
nf_service, subscription_data->req_nf_type) == false)
continue;
}
if (subscription_data->req_nf_type &&
ogs_sbi_nf_instance_is_allowed_nf_type(
nf_instance, subscription_data->req_nf_type) == false)
continue;
rc = nrf_nnrf_nfm_send_nf_status_notify(
subscription_data, event, nf_instance);
if (rc == false) {
ogs_error("nrf_nnrf_nfm_send_nf_status_notify() failed");
return rc;
}
}
return true;
}
static int client_notify_cb(
int status, ogs_sbi_response_t *response, void *data)
{
int rv;
ogs_sbi_message_t message;
if (status != OGS_OK) {
ogs_log_message(
status == OGS_DONE ? OGS_LOG_DEBUG : OGS_LOG_WARN, 0,
"client_notify_cb() failed [%d]", status);
return OGS_ERROR;
}
ogs_assert(response);
rv = ogs_sbi_parse_response(&message, response);
if (rv != OGS_OK) {
ogs_error("cannot parse HTTP response");
ogs_sbi_message_free(&message);
ogs_sbi_response_free(response);
return OGS_ERROR;
}
if (message.res_status != OGS_SBI_HTTP_STATUS_NO_CONTENT)
ogs_warn("Subscription notification failed [%d]", message.res_status);
ogs_sbi_message_free(&message);
ogs_sbi_response_free(response);
return OGS_OK;
}
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